xref: /llvm-project/llvm/test/Transforms/DeadArgElim/byref.ll (revision 2d69827c5c754f0eca98e497ecf0e52ed54b4fd3) 
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt < %s -passes=deadargelim -S | FileCheck %s
3
4declare void @sideeffect()
5
6define void @unused_byref_arg(ptr byref(i32) %dead_arg) {
7; CHECK-LABEL: @unused_byref_arg(
8; CHECK-NEXT:    tail call void @sideeffect()
9; CHECK-NEXT:    ret void
10;
11  tail call void @sideeffect()
12  ret void
13}
14
15define void @dont_replace_by_poison(ptr %ptr) {
16; CHECK-LABEL: @dont_replace_by_poison(
17; CHECK-NEXT:    call void @unused_byref_arg(ptr byref(i32) poison)
18; CHECK-NEXT:    ret void
19;
20  call void @unused_byref_arg(ptr byref(i32) %ptr)
21  ret void
22}
23